Bailey, Frederick H. (Frederick Harold), 1865- · Boston, London, Ginn & Co. · leaf 105
The oblique angle includedby the new axes will accordingly be 6 — 6. Let P be any point in the plane, its original coordinatesbeing x and y, its new, x and y. Draw PM parallel to OY, PM parallel to OY, MN parallelto OY, and RMN parallel to OX. Then ZRMP = ^. .•.OM = ON+ NM = ON+ MN = OM cos 0+… … Fig. 43. OX and OY shall be the original axes, Z XOY being w.The new axes shall be OX and OY, making angles 6 and &respectively with OX. TRANSFORMATION OF COORDINATES. 91 Let P be auy point in the plane, its original coordinatesbeing x and y, its new, x and y. Draw PM parallel to OY, PM…
Geometry, Analytic
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